[Amps] Dahl transformer BC plate transformer center-tap insulation?

[Carl]

Dahl BC transformers often didnt have the same high reputation as the ham 
ones did. Ive heard of many shorting out rather soon direct from the 
sources.
Id do a hi pot before doing anything.

Carl
KM1H


----- Original Message ----- 
From: "Jim Barber" <audioguy at q.com>
To: <Amps at contesting.com>
Sent: Thursday, September 01, 2011 4:47 PM
Subject: [Amps] Dahl transformer BC plate transformer center-tap insulation?


> ... resend, original didn't reflect for whatever reason.
>
> If you were looking at a Dahl plate transformer removed from a BC
> transmitter that had a center-tapped secondary, would you bet that the
> insulation would be good enough to use the transformer with a bridge
> instead of a full-wave rectifier, or would you assume that it isn't for
> safety's sake?
>
> I have no idea of the age of the transformer. It has the standard Dahl
> gloss black paint with red data plate, and the terminals are mounted on
> pinkish-red terminal boards.
>
> Thanks,
> Jim, N7CXI
>
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